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Patent Searching and Data


Title:
MEMBER AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/009115
Kind Code:
A1
Abstract:
The present invention improves reliability of a member formed of dissimilar metals. This member has a first metal region comprising a first material; a second metal region comprising a second material different from the first material; and a mixed region which is formed between the first metal region and the second metal region and in which the first and second materials are mixed. In a cross-sectional view: an interface between the first metal region and the mixed region is represented by a line having a first curved line that swells on the first metal region side and a second curved line that swells on the first metal region side; and, at an intersection of the first curved line and the second curved line, the angle formed on the first metal region side between a tangent to the first curved line and a tangent to the second curved line is not less than 70 degrees but is less than 180 degrees.

Inventors:
KUNITOMO KENICHIRO (JP)
KOSEKI SHUHO (JP)
SHIRATORI HIROSHI (JP)
KAWANAKA HIROTSUGU (JP)
Application Number:
PCT/JP2019/026331
Publication Date:
January 09, 2020
Filing Date:
July 02, 2019
Export Citation:
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Assignee:
HITACHI METALS LTD (JP)
International Classes:
B23K26/342; B21D37/20; B29C33/38
Foreign References:
JPH10291070A1998-11-04
US20110057360A12011-03-10
JP3755404B22006-03-15
JPH055593B21993-01-22
JPH08296419A1996-11-12
JPH05309404A1993-11-22
JP2002219567A2002-08-06
Other References:
See also references of EP 3819067A4
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
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